[CSSGridLayout] Switch from parentheses to brackets for grid line names

Source/core/css/parser/CSSPropertyParser.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
@@ skipping 3425 matching lines @@
 
     if (!m_valueList->next())
         return false;
 
     property = parseGridPosition();
     return true;
 }
 
 void CSSPropertyParser::maybeParseGridLineNames(CSSParserValueList& inputList, CSSValueList& valueList, CSSGridLineNamesValue* previousNamedAreaTrailingLineNames)
 {
-    if (!inputList.current() || inputList.current()->unit != CSSParserValue::ValueList)
+    if (!inputList.current() || inputList.current()->unit != CSSParserValue::Operator || inputList.current()->iValue != '[')
         return;
 
-    CSSParserValueList* identList = inputList.current()->valueList;
-    if (!identList->size()) {
-        inputList.next();
-        return;
-    }
-
-    // Need to ensure the identList is at the heading index, since the parserList might have been rewound.
-    identList->setCurrentIndex(0);
+    // Skip '['
+    inputList.next();
 
     RefPtrWillBeRawPtr<CSSGridLineNamesValue> lineNames = previousNamedAreaTrailingLineNames;
     if (!lineNames)
         lineNames = CSSGridLineNamesValue::create();
-    while (CSSParserValue* identValue = identList->current()) {
+
+    while (CSSParserValue* identValue = inputList.current()) {
+        if (identValue->unit == CSSParserValue::Operator && identValue->iValue == ']')
+            break;
+
         if (identValue->unit != CSSPrimitiveValue::CSS_IDENT)
             return;
+
         RefPtrWillBeRawPtr<CSSPrimitiveValue> lineName = createPrimitiveCustomIdentValue(identValue);
         lineNames->append(lineName.release());
-        identList->next();
+        inputList.next();
     }
     if (!previousNamedAreaTrailingLineNames)
         valueList.append(lineNames.release());
 
     inputList.next();
 }
 
 PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseGridTrackList()
 {
     ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
@@ skipping 4908 matching lines @@
         }
     }
 
     if (!list->length())
         return nullptr;
 
     return list.release();
 }
 
 } // namespace blink